WHOLE VOL. 



NORTH AMKRICA 



3M 



PUEBLA, MEXICO 



Lat. 19° 2' N. Long. 98° 11' W. H = 2150 m 



PRESSURE AT STATION LEVEL: COR. TO 0° C. (32° F.) 



GRAV. AT 45° LAT.* 



Means of J(7 h + 14" + 21"), 90th meridian W. 



500 mm-f 



AND TO 



93.7 93.3 92.9 93.0 92.9 92.7 94.1 94.0 93.0 93.0 94.0 93.9 



93.4 



TEMPERATURE IN DEGREES C. 

 Means of 7 h , 14 h , and 21" 



12.7 14.4 17.1 18.5 18.9 17.9 17.2 17.6 16.8 16.1 14.9 13.6 



16.3 



TOTAL PRECIPITATION IN MILLIMETERS 



* A correction of — 1.3 mm was applied for gravity. 



11 



